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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 4/2022

22-11-2021

Activated Carbon Loaded with Ti3+ Self-Doped TiO2 Composite Material Prepared by Microwave Method

Authors: Yingjie Xu, Qi Zhang, Guiyu Jiang, Hongying Xia, Wuchen Cai, Heng Yan

Published in: Journal of Materials Engineering and Performance | Issue 4/2022

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Abstract

In this work, the AC loaded with Ti3+ self-doped TiO2 composite material was synthesized by the microwave method. XRD, XPS, SEM, FT-IR, UV–Vis and other characterization methods were used to analyze the crystallinity, valence, morphology and other properties of the composite material. There was a synergistic effect between AC and TiO2, and C-O-Ti and O-Ti-C bonds formed between them, which promoted the formation of anatase, made TiO2 form a mixed crystal form, and improved the efficiency of electron–hole separation. The doping of Ti3+ produced the Jahn–Teller effect, which reduced the band gap energy of the composite material to 2.2-2.4 eV. The adsorption-catalysis experiment showed that the TiO2/Ti3+/AC composite prepared under microwave conditions has a removal rate of more than 96% for Rh-B, and the removal rate of pure TiO2/Ti3+ was only 50.44%. At the same time, the change in the adsorption capacity of AC was explored, and it was found that the saturated adsorption capacity of the 283 K composite material was 161.67 mg g−1. When the temperature was 323 K, the maximum adsorption capacity was 250.93 mg g−1. Therefore, the composite material prepared by the microwave method can be regarded as an efficient and economical material for wastewater treatment.
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Metadata
Title
Activated Carbon Loaded with Ti3+ Self-Doped TiO2 Composite Material Prepared by Microwave Method
Authors
Yingjie Xu
Qi Zhang
Guiyu Jiang
Hongying Xia
Wuchen Cai
Heng Yan
Publication date
22-11-2021
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 4/2022
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-021-06421-9

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